C4 Tech/Performance - Page 4 - CorvetteForum - Chevrolet Corvette Forum Discussion

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1986 Corvette mass air flow sensor and code 33 issue

Hobojoe on Apr 7, 2026

Apr 8, 2026 08:34 AM
by AGENT 86

2

329

Emulation? Need to disable checksum

ULTM8Z on Apr 3, 2026

Apr 8, 2026 07:41 AM
by Vets-Vet

9

413

96 c4 driver & passenger's SIR replacement.

chucktafoya@gmail.co on Apr 7, 2026

Apr 7, 2026 10:37 PM
by chucktafoya@gmail.co

0

253

1986 Corvette

Hobojoe on Apr 4, 2026

Apr 7, 2026 09:08 PM
by IHBD

7

430

Intermediate steering shaft replacement options: eBay pay and pray?

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1 2)

1985 Corvette on Mar 28, 2021

Apr 7, 2026 10:32 AM
by Faceman89

21

3,599

Brake problems.

leonel1005 on Mar 22, 2026

Apr 7, 2026 10:27 AM
by c4xlr8n

15

691

91 c4 base

james big red on Apr 6, 2026

Apr 7, 2026 10:14 AM
by james big red

8

396

My 1990 Corvette and ALL the problems lol.

Stevo1975 on Apr 4, 2026

Apr 6, 2026 08:18 PM
by IHBD

7

478

1987 Windshield wipers

Tyson Chandler on Apr 3, 2026

Apr 6, 2026 10:05 AM
by Tyson Chandler

4

341

Idle surge and hesitation help!

NuToVettes on Mar 30, 2026

Apr 6, 2026 06:03 AM
by MSgt Luttrell

13

662

Rear Seal and Housing removal ZF6

txmtxm999 on Apr 5, 2026

Apr 5, 2026 03:04 PM
by Furias15x

1

233

headlights not working

(

1 2)

antonellomopar on Mar 30, 2026

Apr 5, 2026 01:12 PM
by viii

20

835

85-86-87 belt tensioner, my fix

Vets-Vet on Jan 16, 2026

Apr 5, 2026 12:44 AM
by ACMX92

7

898

Radiator Removal-93 Automatic

jrobin1 on Feb 2, 2022

Apr 4, 2026 09:39 PM
by ghlkal

10

833

Can't diagnose this rattling noise (Video)

Need4Sneed on Mar 4, 2026

Apr 4, 2026 04:16 PM
by Furias15x

19

1,194

Malfunctioning CD Player

kaiC on Apr 4, 2026

Apr 4, 2026 02:21 PM
by s carter

1

200

Headlight Motor brushing

BET VETTE on Apr 2, 2026

Apr 4, 2026 02:12 PM
by IHBD

9

324

1987 not getting fuel pressure- possible ECM issue

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1 2)

Nocluewhatimdoing on Jan 28, 2026

Apr 4, 2026 02:00 PM
by Tunedperformancedotorg

24

1,349

LT1/LT4 Rebuild Book by Mavrigian

DSKRALL on Dec 6, 2003

Apr 3, 2026 11:28 PM
by TA1995

8

1,090

C4 Air Dam Fix

dabaconmaster on Apr 2, 2026

Apr 3, 2026 06:21 PM
by LWesthaver

9

699

Vats bypass

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1 2)

snackstick on Dec 30, 2025

Apr 3, 2026 02:01 PM
by snackstick

25

1,082

Performance Mufflers (only mufflers no system)

solar88 on Apr 3, 2026

Apr 3, 2026 01:49 PM
by solar88

0

209

cruise control

Dougk56 on Apr 1, 2026

Apr 3, 2026 08:05 AM
by Dougk56

14

554

SOS - 30min pin and bushing replacement turns into stripped thread headache

AnthonyHawk on Mar 17, 2026

Apr 2, 2026 09:36 PM
by AnthonyHawk

12

696

Miniram Accel Enrich tuning

ULTM8Z on Nov 22, 2023

Apr 2, 2026 01:49 PM
by ULTM8Z

16

1,498

Another 4+3 to t56 swap in progress....

Design engnr on Mar 31, 2026

Apr 1, 2026 06:45 PM
by Design engnr

8

378

More rumble

BET VETTE on Apr 1, 2026

Apr 1, 2026 06:32 PM
by BET VETTE

0

244

1984 Corvette Cassette Player

kenziemose on Apr 1, 2026

Apr 1, 2026 10:26 AM
by walleyfisher

1

232

Radio static

BET VETTE on Mar 31, 2026

Mar 31, 2026 08:20 PM
by BET VETTE

3

233

1985 C4 Transmission swap from 4+3 to 5 speed question.

Wootie on Mar 26, 2026

Mar 31, 2026 07:04 PM
by ex-x-fire

5

539

Hood Vent Placement Discussion

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1 2)

AZSP33D on Nov 28, 2025

Mar 31, 2026 06:13 PM
by AZSP33D

24

1,791

Idling issue

Wrench1 on Mar 21, 2026

Mar 31, 2026 05:13 PM
by Wrench1

10

581

Painted valve covers

Brandon Iron Smithe on Nov 24, 2024

Mar 31, 2026 11:25 AM
by Natty C

12

944

1989 6speed upgrade (TPI) intake manifold

Wandern on Mar 26, 2026

Mar 30, 2026 08:33 PM
by Wandern

14

557

Aftermarket Steering Columns

marshallnoise on Mar 24, 2026

Mar 30, 2026 07:15 PM
by marshallnoise

9

433

AC help needed***

ZR-1King on Mar 26, 2026

Mar 30, 2026 05:59 PM
by BET VETTE

3

402

Need sealant for leaky oil pressure sensor

dburgjohn on Mar 26, 2026

Mar 30, 2026 05:15 PM
by marshallnoise

4

405

1993 Vibration, transmission.. 700R4

steve40th on Mar 14, 2026

Mar 30, 2026 03:38 PM
by steve40th

8

556

200 cell CAT

the blur on Mar 30, 2026

Mar 30, 2026 10:28 AM
by the blur

0

220

Holley SBC Hi Ram hood clearance

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1 2)

Spsosicmcise on Mar 30, 2025

Mar 30, 2026 06:37 AM
by Spsosicmcise

23

3,363

2/4 shift issues and power reduction

Jake06 on Mar 26, 2026

Mar 29, 2026 08:41 PM
by Jake06

2

281

G201 - '90 base

cptcrusty1 on Mar 29, 2026

Mar 29, 2026 02:47 PM
by Natty C

2

251

1987 ECM Bracket Screw Size?

BlackOnyxC4 on Mar 28, 2026

Mar 29, 2026 11:48 AM
by WVZR-1

7

319

Let's try again - High RPM / High load misfire with P0300

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1 2 3)

rremesal on Aug 20, 2025

Mar 29, 2026 10:00 AM
by Tke431

48

2,242

Rod that connects from shifter to dash?

benc35 on Mar 21, 2026

Mar 29, 2026 09:26 AM
by VikingTrad3r

3

473

where do I buy a CCM for a 93' vette

senter9 on Jul 28, 2014

Mar 29, 2026 01:27 AM
by macroblock

6

3,192

Oil leak from the top

Cor29 on Mar 27, 2026

Mar 29, 2026 12:01 AM
by Natty C

4

297

ETC upgrade number clarification

wolf_walker on Mar 28, 2026

Mar 28, 2026 10:35 PM
by wolf_walker

0

179

Does anyone make a water tank that fits the location of the stock battery?

dizwiz24 on Mar 22, 2026

Mar 28, 2026 03:43 PM
by dizwiz24

6

643

C60 AC controller Vacuum source

Gale Banks 80' on Mar 27, 2026

Mar 28, 2026 11:56 AM
by Gale Banks 80'

2

292

angle spark plug style heads

Nilak on Mar 27, 2026

Mar 28, 2026 09:50 AM
by Nilak

4

346

Pop up headlights turn on left turn signal on 88

AlwaysJosephJ on Mar 20, 2026

Mar 28, 2026 04:10 AM
by Natty C

3

459

NEED photo from 1986 Electrical Diagnosis manual

scorp508 on Mar 26, 2026

Mar 28, 2026 03:24 AM
by Vets-Vet

10

508

Engine geometry question

Space387 on Mar 27, 2026

Mar 27, 2026 11:28 PM
by Space387

3

354

Corvette C4 1984 Aftermarket Antenna Relay Bypass Wiring

motipr1401 on Mar 27, 2026

Mar 27, 2026 10:02 PM
by kkupec02

3

265

Upper control arm bushing removal WITHOUT press

Abraxis on Dec 20, 2025

Mar 27, 2026 05:19 PM
by 2011KLR

2

601

85 fuel pump in my 84

mustangsmoker on Jun 28, 2012

Mar 27, 2026 04:06 PM
by 84lover

19

11,562

Power Effect Exhaust

BET VETTE on Mar 27, 2026

Mar 27, 2026 01:43 PM
by vader86

1

218

Rear window spoilers!!!

C4barnrescue on Mar 25, 2026

Mar 27, 2026 01:31 PM
by BET VETTE

7

590

1986, 86, c4, control, converter, convertor, corvette, indication, iroc, led, lock, lockup, manually, toque, torque, wiring

Manually controlling the lockup torque converter

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1 2)

jimtreber on Oct 19, 2003

Mar 27, 2026 07:00 AM
by young_dro420

33

7,958

C68 climate control running blower in defrost

PpStrangler on Mar 26, 2026

Mar 26, 2026 11:24 PM
by PpStrangler

2

214

Good PCM to buy

Jake06 on Mar 26, 2026

Mar 26, 2026 08:21 PM
by Jake06

0

232

How to make a regular 700r4 fit in a Corvette?

LovesJesus on Mar 23, 2026

Mar 26, 2026 12:11 PM
by arbee

7

502

Power Effects Tunable Exhaust

MuttznMongrelz on Sep 8, 2018

Mar 26, 2026 08:15 AM
by BET VETTE

4

1,836

Power Effects tunable exhaust, any thoughts?

jordis on Feb 1, 2006

Mar 26, 2026 08:09 AM
by BET VETTE

13

2,289

1988 Stalling Issue

mlk1950 on Mar 25, 2026

Mar 26, 2026 08:05 AM
by AGENT 86

7

339

C4 coolant fan mumbo jumbo

leonel1005 on Mar 22, 2026

Mar 26, 2026 07:40 AM
by ex-x-fire

9

424

Will I have tire rubbing issues with new rims?

SpaceGrond on Mar 25, 2026

Mar 26, 2026 07:09 AM
by MatthewMiller

2

323

fitting a 4 point roll bar into a C4

blackozvet on Mar 22, 2026

Mar 25, 2026 11:19 PM
by blackozvet

8

478

Possible clutch hydraulic issues?

iatserules on Mar 25, 2026

Mar 25, 2026 02:00 PM
by iatserules

0

134